<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="./font_3792268_pqjre9k1klq/iconfont.css">
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        html body{
            background-image: url(img/login-background.jpg);
            
        }
        .dahezi {
            width: 400px;
            height: 300px;
            background-color: white;
            margin: 100px auto;
            border-radius: 10px;
        }
        .dahezi .houtai{
           padding-top: 10px;
            color: gray;
            font-weight: bold;
            line-height: 50px;
            text-align: center; 
            font-weight: 500;
        }
        .dahezi .block{
            width: 300px;
           margin: 20px auto;
           position: relative;
        }
        .dahezi .block .iconfont {
            position: absolute;
            top: 13px;
            left: 5px;
        }
        .dahezi .block input {
            height: 40px;
            padding-left: 20px;
            border: 1px solid #ccc;
            border-radius: 5px;
            width: 100%;
            outline: none;
            box-sizing: border-box;
            
        }
        .dahezi .denglu input{
            background-color: blue;
            color: white;
        }
    </style>

</head>

<body>
    <div class="dahezi">
        <div class="houtai">后台管理系统</div>
        <div class="block">
           <span class="iconfont icon-geren2"></span> <input type="text" placeholder="输入用户名">
        </div>
        <div class="block">
            <span class="iconfont icon-suoding"></span><input type="password" placeholder="输入密码">
        </div>
        <div class="block denglu">
            <input type="button" value="登录">
        </div>
    </div>
</body>

</html>